/***************************************************************************
 * Copyright 2012-2013 TXT e-solutions SpA
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * This work was performed within the IoT_at_Work Project
 * and partially funded by the European Commission's
 * 7th Framework Programme under the research area ICT-2009.1.3
 * Internet of Things and enterprise environments.
 *
 * Authors:
 *      Salvatore Piccione (TXT e-solutions SpA)
 *
 * Contributors:
 *        Domenico Rotondi (TXT e-solutions SpA)
 **************************************************************************/
package it.txt.ens.client.core.osgi;



/**
 * This class defines the keys of the attributes that should be used to both register and retrieve services
 * to/from the OSGi service registry.
 * 
 * @author Salvatore Piccione (TXT e-solutions SpA - salvatore.piccione AT txtgroup.com)
 * @author Domenico Rotondi (TXT e-solutions SpA - domenico.rotondi AT txtgroup.com)
 *
 */
public class FilterAttributes {
	/**
	 * The name of the attribute that uniquely identifies the ENS Client implementation.<br/>
	 * The value of this property IS NOT the unique identifier of an <code>ENSClient</code> instance: it identifies
	 * the class that implements {@link it.txt.ens.client.core.ENSClient ENSClient}.
	 */
    public static final String CLIENT_IMPLEMENTATION = "ens.client.impl";
    /**
     * The name of the attribute that uniquely identifies the event factory implementation.<br/>
	 * The value of this property IS NOT the unique identifier of an ENS client instance: it identifies
	 * the class that implements {@link it.txt.ens.client.core.ENSEvent ENSClient}.
     */
    public static final String EVENT_FACTORY_IMPLEMENTATION = "ens.event.factory.impl";
    public static final String ENS_BROKER_CONN_PARAMS_FACTORY_IMPLEMENTATION_KEY = 
            "ens.broker.connection.parameters.factory.impl";
}
